Study On The Developing Agricultural Circular Economic And Digesting Large Pig Farming Environmental Pollution

According to the Ministry of Agriculture statistics, as the end of 2008, the number of large-scale pig slaughter accounts for the total has reached 62%. Large-scale has become the trend of swine industry in the future. With the rapid development, the large-scale pig farming have provided consumers with a lots meat products, which have played an important role in protecting the stability of pork market, satisfying the consumers'growing demand, promoting employment opportunities for farmers, increasing the farmers'income, and accelerating the adjustment of agricultural structure. Large-scale pig farming have also caused serious environmental pollution, although it have achieved significant benefits, and with the accelerating process of urbanization, some pig farms have been connected with the city as a whole, which has aggravated the deterioration of urban ecological environment, making the conflicts even more acute between large-scale pig farming and urban development, the phenomenon that manure siege and pig farms regularly been driven by urban-development is widespread. The sustained and healthy development of large-scale pig farming have been challenged. The thought of circular economic opens up new avenues to alleviate the large-scale pig farming pollution, and achieve sustained and healthy development of large-scale pig farming industry. In the context of "Resource-economical and Environment-friendly Society" in Wuhan, this paper in-depth analysis the development of scale pig farming industry, and makes a case ctudy about the agricultural circular economic model which been used by Ecological Agriculture Co., Ltd., Wuhan Yinhe, then promote some measures and proposals to advance the development of agricultural circular economic of the large-scale pig farming industry in Wuhan, which has important practical significance for promoting the coordinated development between large-scale pig farming industry and resources and environment.In this paper, the content system is divided into seven parts:The first part, the paper describes the large-scale trends and environmental situation of China's Pig Industry, then elaborates the research status to the problem, and proposed thesis content, technology and innovation routes.The second part, the paper systematically expounded the theoretical basis of this study-agricultural circular economic theory, and cited the practical situation of agricultural circular economy in large pig industry.The third part, the paper made a detailed analysis about overall development, utilization of swine manure and environmental pollution of large pig industry in Wuhan, and listed whose development problems. Then the paper further discussed the relationship between the large pig industry's development and the construction of "Resource-economical and Environment-friendly Society", and analysis the new challenges and opportunities which Wuhan large-scale pig farming industry are facing on the background of the construction of "society".The fourth part, a positive analysed of the pollution caused by large-scale pig farming. According to the environmental carrying capacity theory, this paper selected three indicators, which include farmland, water and gas engineering, and tested the environmental carrying capacity of 29 large-scale pig farms to detect the environmental risk large-scale pig farming industry in Wuhan, and find ways to solve the problem of environmental pollution.The fifth part, case study. Ecological Agriculture Co., Ltd., Wuhan Yinhe has made remarkable achievements in agricultural circular economy, which reflects the the building requirements of "Resource-economical and Environment-friendly Society". The paper choosed the Yinhe Corporation as a case, introduce the measures that adopted by Yinhe to develop agricultural circular economy, and analysis the benefit levels of it. In order to verify the circulating levels of economic development company further, the paper adopted fuzzy comprehensive evaluation to measure it.The sixth part, measures and proposal. The paper referencing the measures taken by Yinhe and combining the requirement of "Resource-economical and Environment-friendly Society", proposed the measures and proposal to promote the development of agricultural circular economy in the large-scale pig farming industry, according the actual situation of large-scale pig farming industry in Wuhan.The seventh part, conclusion and outlook. Summarized the conclusions of the full text, and prospected the further research.